Public bug reported:
Background:
some users (as from https://askubuntu.com/q/1263287/66509 ) do not want to use
mate-screensaver, but want to use light-locker instead
Steps to reproduce:
1. Remove MATE ScreenSaver with
```
sudo apt-get purge mate-screensaver
sudo apt-get autoremove --purge
```
2. Install LightDM based screenlocker install the corresponding package
with:
```
sudo apt-get install light-locker
```
3. Press <Ctrl>+<Alt>+<L> to test light-locker functionality
Expected results:
* light-locker is executed, screen is locked
Actual results:
* error window is shown with the following text:
"
Couldn't execute command: xscreensaver-command -lock
Verify that this is a valid command.
"
Workaround:
Use some kind of hack:
```
cat <<EOF | sudo tee /usr/local/bin/xscreensaver-command
#!/bin/bash
light-locker-command -l
EOF
sudo chmod a+x /usr/local/bin/xscreensaver-command
```
to introduce the missed `xscreensaver-command` command.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: mate-settings-daemon 1.24.0-1
ProcVersionSignature: Ubuntu 5.4.0-40.44-generic 5.4.44
Uname: Linux 5.4.0-40-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.3
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: MATE
Date: Thu Jul 30 17:26:40 2020
InstallationDate: Installed on 2020-04-23 (97 days ago)
InstallationMedia: Ubuntu-MATE 20.04 LTS "Focal Fossa" - Release amd64
(20200423)
SourcePackage: mate-settings-daemon
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: mate-desktop
Importance: Unknown
Status: Unknown
** Affects: mate-settings-daemon (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal groovy
** Bug watch added: github.com/mate-desktop/mate-settings-daemon/issues #329
https://github.com/mate-desktop/mate-settings-daemon/issues/329
** Also affects: mate-desktop via
https://github.com/mate-desktop/mate-settings-daemon/issues/329
Importance: Unknown
Status: Unknown
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https://bugs.launchpad.net/bugs/1889632
Title:
mate-settings-daemon should be compatible with light-locker
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